package ee.project.BTree;/* File: Comparator.java Biel School of Engineering, Computer Science Division.  Course "Algorithms with Objects in Java"  Originally written by Roger Cattin (c) 1997/98 History: Date     Who                 What Nov97    ctr@info.isbiel.ch  Created. *//** *  * Comparator is an interface for any class possessing an ordering *  * comparison method. **/public interface Comparator {	/**	 * 	 * Compare two Objects with respect to ordering. Typical	 * 	 * implementations first cast their arguments to particular	 * 	 * types in order to perform comparison.	 * 	 * @param obj	 *            object to be compared with this	 * 	 * @return a negative number if this is less than obj; a	 * 	 *         positive number if this is greater than obj; else 0	 **/	public int compareTo(Object obj);}